383897699881 has 8 divisors (see below), whose sum is σ = 404145734720. Its totient is φ = 363653954352.

The previous prime is 383897699747. The next prime is 383897699903. The reversal of 383897699881 is 188996798383.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 383897699881 - 2⁹ = 383897699369 is a prime.

It is a super-2 number, since 2×383897699881² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (383897699681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 887790 + ... + 1247383.

It is an arithmetic number, because the mean of its divisors is an integer number (50518216840).

Almost surely, 2^383897699881 is an apocalyptic number.

It is an amenable number.

383897699881 is a deficient number, since it is larger than the sum of its proper divisors (20248034839).

383897699881 is a wasteful number, since it uses less digits than its factorization.

383897699881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2144655.

The product of its digits is 1128701952, while the sum is 79.

The spelling of 383897699881 in words is "three hundred eighty-three billion, eight hundred ninety-seven million, six hundred ninety-nine thousand, eight hundred eighty-one".